how to work in heart
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It is comprised of four chambers — the right and left atrium and the right and left ventricle. The chambers of the heart work together by alternately contracting and relaxing to pump blood throughout the heart. To accomplish this, the heart uses an electrical system to trigger a heartbeat.
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human heart consist of four chambers in which.
one have deoxygenated and other have oxygenated blood...
if needed explanation comment ...
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